32 Inches. Zero Apologies

32-inch wheels aren't new - but until now, the bikes built around them have largely felt like experiments. Mosaic is changing that. The GT-1 i55 32 is a handmade titanium gavel bike design fro the ground up around 32-inch wheels.

Rather than adapting an existing frame, we treated the GT-1 i55 32 as an entirely new platform: geometry, rear triangle, axle standards, tire clearance and an in house Zero Components 32-inch carbon gravel fork all developed together to make a big wheel feel small and a bike that brings all the performance benefits of the larger wheel size.

Highlights

https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-06.jpg
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-23.jpg
Fully internal cable routing
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-21.jpg
flat mount brake 180/160mm
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-18.jpg
IS52 headtube
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-16.jpg
55mm tire clearance with room for mud
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-14.jpg
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-10.jpg
3d printed titanium yoke provide up to 46t 1x chainring clearance
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-09.jpg
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-02.jpg
Zero Components Carbon 32 gravel fork
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-08.jpg
https://mosaiccycles.com/wp-content/uploads/2026/08/Mosaic-GT-1-i55-32-Titanium-Gravel-Bike-01.jpg

Features

  • Custom 3A/2.5V Double Butted Titanium Tubeset
  • 32" x 55mm Tire Clearance
  • 27.2mm seatpost diameter
  • UDH dropout and Hanger
  • Zero Components Carbon 32" gravel fork
  • Internal Di2 or Wireless AXS shift routing
  • Enve In-Route Stem and Seatpost
  • Rider Specific Custom Geometry included
  • IS52 headtube
  • 180/160mm front flat mount, 140/160mm rear
  • Fully Integrated Brake Routing through cockpit & downtube
  • ENVE In-Route Headset included
  • 1X Gravel Chain line only, fit up to 46t chainring
  • 15x110 Front // 12x148 Rear Axle
  • Choice of any standard Mosaic Finish, painted or raw titanium

Made To Order Lead Time : 8 Weeks

Made to order from scratch including custom geometry, configuration and choice of finishwork.
  • Chris King Aeroset 1*
  • Fender Mounts
  • Pump Peg
  • Mosaic Artist Series Finishwork*
  • Extra H2O mounts
  • Rack Mounts
  • Chain Hanger

* options at additional cost.

Contact Mosaic for pricing.

Geometry

Rider Specific Geometry

With a fit-first design approach, custom geometry is drawn up based on bike fit information provided by you and your Mosaic Dealer. Taking into account each rider’s aspirations and use case for the bike, we continue to fine-tune the design to culminate in a riding experience and handling that is perfect for each unique frame that we build. Custom geometry is included as standard on our 1-Level bikes, giving us the opportunity to build the perfect bike for each rider 100% of the time.

Currently the GT-1 i55 is only being offered as a Made to Order frame with rider specific geometry

Your Bike. Your Fit.
Your Geo.

Geometry driven by your body, made to fit your contact points.
Start Yours Mosaic Now

Mosaic Batch Built Geometry

The Mosaic Batch Built program utilizes our proven size run of geometry to deliver a simpler, more standardized offering, available in a shorter timeframe. By building standard geometry frames together in a batch, configured in an intentional and similar way, we’re able to deliver an in stock batch-built frame immediately. If you’re looking for a more personalized finish or custom geometry take a look at the Made to Order program.

Currently the GT-1 i55 is only being offered as a Made to Order frame with rider specific geometry

Same Mosaic Quality. Better availability.

Fine tuned standard geometry, beautiful finish, ready to deliver in days.
Find in stock framesets now
Frame Size SMLSML-MEDMEDLRGXLXXL3XL
Frame Size 50525456586062
HT Angle 69707070.570.57171
ST Angle 69.56968.568.2568.256868.25
ST Length (C-T) 470480490510530550560
TT Length (Eff) 525550.2560585615630635
HT Length 9095100109.9135150170
Wheelbase 1056.81067.31071.71088.91117.811241130.9
Chainstay Length 450450450450450450450
Fork Offset (Rake) 60606060606060
Front Center 624.2634.6638.9655.9684.6690.7697.5
Trail 88.380.880.877.177.173.473.4
Standover 802.7810816.6830.8851.9869.1883.4
BB Drop 95959595959595
BB Height 302.5302.5302.5302.5302.5302.5302.5
TT Angle 13.4812.5611.9410.510.4910.0610.88
Stack 570.2579.1583.8595.2618.9635.2654.2
Reach 370.2387.4390.1408.2428.8434.6435

Finishes: Choose your wow factor.

The finish is the first thing we see. And when you’re excited by the sheer look of your Mosaic, it also gets you excited to get out and ride. And that’s what it’s all about. So whether you choose to let the metal be the star of your titanium frame, or opt for a super colorful paint scheme that’s uniquely you, the goal is to come up with a look that’s going to light you up and get you out there. Ready? Let’s make it yours.

Titanium Finishes

Classic, clean and light, this is the choice for those who love the beauty of raw metal, impeccable welds and subtle logos. Choose between Ghost, Shadow, and Mosaic Factory titanium finish options.
learn more

Painted Finishes

Go big. Go loud. Go subtle. Go pure. With multiple Standard and Artist Series layouts to choose from and a nearly infinite number of color combinations, it's easy to make your Mosaic uniquely yours.
learn more

Artist Series

One-of-a-kind by design, this is where paint becomes art. From the fractured lines of Shatter to the cosmic depth of Nebula, each Artist Series layout is hand-applied to turn your Mosaic into a true original.
Artist Series